89657680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6961}}^1$

素因数の和:7004

約数の個数: 80

約数和(自身を含む): 248626944

約数和(自身を除く): 158969264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 6961, 12880, 13922, 27844, 34805, 48727, 55688, 69610, 97454, 111376, 139220, 160103, 194908, 243635, 278440, 320206, 389816, 487270, 556880, 640412, 779632, 800515, 974540, 1120721, 1280824, 1601030, 1949080, 2241442, 2561648, 3202060, 3898160, 4482884, 5603605, 6404120, 8965768, 11207210, 12808240, 17931536, 22414420, 44828840, 89657680]

約数ペア:

[(1, 89657680), (2, 44828840), (4, 22414420), (5, 17931536), (7, 12808240), (8, 11207210), (10, 8965768), (14, 6404120), (16, 5603605), (20, 4482884), (23, 3898160), (28, 3202060), (35, 2561648), (40, 2241442), (46, 1949080), (56, 1601030), (70, 1280824), (80, 1120721), (92, 974540), (112, 800515), (115, 779632), (140, 640412), (161, 556880), (184, 487270), (230, 389816), (280, 320206), (322, 278440), (368, 243635), (460, 194908), (560, 160103), (644, 139220), (805, 111376), (920, 97454), (1288, 69610), (1610, 55688), (1840, 48727), (2576, 34805), (3220, 27844), (6440, 13922), (6961, 12880)]